Scroll down to the "Download" section. You will see a fingerprint. Verify that the signer is "TikTok Pte. Ltd." (This proves it's official, not modded).
TikTok Lite - Save Data & Fast 21.5.1 (arm-v7a ... - APKMirror Tiktok Lite Version V21-5-1 Apk Download Mirror
Approximately 40.54 MB to 42.13 MB, depending on the device architecture Minimum OS: Android 4.1 (Jelly Bean) or higher Architecture Support: arm64-v8a and armeabi-v7a Core Features of This Version Scroll down to the "Download" section
: The v21.5.1 APK is notably compact, ranging from 20MB to 40MB depending on the variant (arm-v7a vs arm64-v8a), making it ideal for devices with 16GB or less of total storage. TikTok Lite version 21
TikTok Lite version 21.5.1 is a legacy release (October 2021) designed for high performance on entry-level Android devices and limited data plans. You can find technical details and downloads for this version on sites like Key Features of Version 21.5.1 Reduced App Size : The APK is approximately 20MB to 42MB
: Unlike newer versions that are heavily integrated with TikTok Shop, this version focuses almost entirely on the viewing experience . TikTok Lite vs. The Original: What’s Missing?
No. TikTok Lite was never officially on iOS; Apple requires apps to support the latest APIs. iOS users should use the standard TikTok app or the mobile web version.